- matrix - a rectangular array of elements (or entries) set out by rows and columns
--1 is a kind of array
--1 has particulars:correlation matrix; dot matrix; square matrix; real matrix; transpose - matrix - an enclosure within which something originates or develops (from the Latin for womb)
--2 is a kind of enclosure, natural enclosure
- matrix, intercellular substance, ground substance - the body substance in which tissue cells are embedded
--3 is a kind of body substance
--3 is a part of bone, os; cartilage, gristle; connective tissue- matrix - the formative tissue at the base of a nail
--4 is a kind of animal tissue
--4 is a part of nail- matrix - mold used in the production of phonograph records, type, or other relief surface
--5 is a kind of mold, mould, cast
- matrix - an enclosure within which something originates or develops (from the Latin for womb)